CN111520285A - Wind, wave and tide comprehensive complementary power generation integrated arrangement scheme - Google Patents
Wind, wave and tide comprehensive complementary power generation integrated arrangement scheme Download PDFInfo
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- CN111520285A CN111520285A CN202010301049.6A CN202010301049A CN111520285A CN 111520285 A CN111520285 A CN 111520285A CN 202010301049 A CN202010301049 A CN 202010301049A CN 111520285 A CN111520285 A CN 111520285A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Ocean & Marine Engineering (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
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Abstract
The invention mainly relates to a wind, wave and tide comprehensive complementary power generation integrated arrangement scheme, which takes a wind power generation system, a swinging power generation system, a tidal power generation system and a mooring rope as a unit and spreads the units to the periphery to form a spider-web type connection arrangement structure. Through the arrangement mode, the electric energy generated by combining wind energy, wave energy and tidal energy is stored in the hybrid energy storage system at the bottom of the wind power generation system at the center, and then the electric energy of each unit is transmitted to the onshore transformer substation through the submarine cable. The scheme of the invention is mainly applied to the offshore field, effectively solves the problems of single power generation form, low space electric energy utilization rate, poor wind and wave resistance and repeated mooring configuration of the wind power plant in the sea area, and greatly improves the stability of the system under the wind and wave condition and the overall electric energy transmission efficiency.
Description
Technical Field
The invention belongs to the field of offshore wave and tide complementary power generation, and relates to a wind, wave and tide complementary power generation arrangement scheme.
Background
In the offshore field, the modern main power generation device is a wind driven generator, and the wind driven generator placed in the offshore field can effectively utilize the open wind power of a seawater area, so that the electric energy generated by the wind driven generator can provide necessary electric energy for unmanned aerial vehicles and unmanned ships working offshore, and the problem of overhigh cost caused by accessing a power supply from the shore is solved.
It is known from the prior invention patents that the existing wind power generator has a single power generation combination mode and simple arrangement, and the main related content is to improve the efficiency of a single generator. Based on the situation, the problems that the seawater power generation space utilization rate of the wind power plant is low, the power generation of the wind driven generator is uneven, and the wind driven generator is easy to damage under the severe stormy waves, so that the operation and maintenance cost is high in the arrangement process.
Disclosure of Invention
The technical problem solved by the scheme of the invention is as follows: the problems that an existing power generation device is single in combination mode, not required to be arranged in arrangement mode, low in sea area space utilization rate of a seawater wind power plant, poor in stability of offshore equipment under severe sea conditions and uneven in wind power generation are solved, power generation cost is reduced, and unit space utilization rate, system stability and electric energy transmission efficiency are improved.
The technical scheme of the invention is as follows: a wind, wave and tide comprehensive complementary power generation integrated arrangement scheme comprises a wind power generation system, a swinging power generation system, a tidal power generation system and a micro-elastic mooring rope, wherein the cobweb type expansion is carried out to the periphery in the combination mode to form a cobweb type arrangement structure.
Specifically, the wind power generation system comprises a wind power generator pile, the swinging type power generation system comprises a plurality of swinging type power generation devices which are uniformly arranged around the wind power generator pile, the swinging type power generation devices close to the wind power generator pile are directly connected with the wind power generator pile and adjacent swinging type power generation devices through a micro-elastic mooring rope, and a cobweb type arrangement structure is formed. The scheme of the invention is mainly applied to the offshore field, effectively solves the problems of single power generation form, low space electric energy utilization rate, poor wind and wave resistance and repeated mooring configuration of the wind power plant in the sea area, and greatly improves the stability of the system under the wind and wave condition and the overall electric energy transmission efficiency.
Furthermore, the wind, wave and tide comprehensive complementary power generation integrated arrangement scheme is characterized in that a wind power generation system, a swinging power generation system, a tidal power generation system and a mooring rope are combined to form a unit, and the unit is expanded to the periphery through a micro-elastic mooring rope to form a multi-unit spider-web type arrangement structure. The space utilization rate of the offshore sea area is improved by expanding the way to the periphery.
Further, the micro-elastic mooring rope comprises a special mooring rope and a common mooring rope, preferably, the special mooring rope consists of an outer mooring steel cable and a cable, the mooring steel cable is wound on an electric wire in a winding mode to form the special mooring rope, and the electric wire passes through the middle of the mooring steel cable and reaches the hybrid energy storage device at the lower part of the pile of the wind driven generator. On one hand, the special mooring rope is ensured to have certain slight elasticity in a winding mode, and on the other hand, the built-in cable is protected from being influenced by the marine environment.
Preferably, the common mooring rope consists of an outer mooring steel cable and a steel cable core, and the mooring steel cable is wound on the steel cable core in a winding manner to form the common mooring rope for fixedly connecting the swinging type power generation system and the sea pile. The special mooring rope is ensured to have certain slight elasticity by a winding mode.
Preferably, the swing type power generation device at the outermost layer of the whole spider-web arrangement structure is directly connected with the first sea pile outwards through a common mooring rope.
Specifically, the pile column of the wind driven generator is fixed on the seabed in a seabed piling mode, the swinging type power generation device close to the pile column of the wind driven generator is directly connected with the pile column of the wind driven generator in a spider web warp line by a special mooring rope, the built-in cable is led out from the side close to the head part of the special mooring rope and is led into the pile column of the wind driven generator and the swinging type power generation device through the protection of a plurality of layers of waterproof and anti-corrosion insulating sleeves; and the adjacent swinging type power generation devices are provided with second sea piles on the cobweb weft and are connected in a straight and stretched manner through common mooring ropes. By piling at the nodes, the wind and wave concentrated loads under severe sea conditions are dispersed to the maximum extent, and the stability and the viability of the system are improved. A plurality of swing type power generation devices share the same wind driven generator pile, and a pile driving point (sea pile) is shared between adjacent weft swing type power generation devices, so that the problem of repeated configuration is reduced.
Preferably, the diameter ratio of the space between adjacent oscillating power generation devices to the oscillating power generation device is 4: 1.
preferably, a hybrid energy storage device is arranged at the lower part of the wind power generation system, the swing type power generation system and the tidal power generation system are respectively and electrically connected with the hybrid energy storage device, and preliminary electric energy inversion integration is performed through the hybrid energy storage device. The hybrid energy storage device is arranged on a central wind driven generator pile, the electric energy of each spider-web unit can be subjected to primary inversion integration and transmitted to the hybrid energy storage device, the electric energy of each unit is transmitted to a shore substation through a submarine cable, and the electric energy transmission efficiency is improved in a mode of transmitting the electric energy to a symmetric center.
Preferably, the micro-elastic mooring rope and the swinging type power generation device/sea pile are connected with the swinging type power generation device through a connecting ring and a ring buckle. This way, the connection process can be simplified and the system stability can be improved.
Preferably, the micro-elastic mooring rope and the pile of the wind driven generator are connected by a connecting ring and a lantern ring, the pile of the wind driven generator and the lantern ring are directly sleeved together, and the lantern ring is provided with a corresponding annular hole.
Preferably, the tidal power generation system is sleeved on a pile of the wind driven generator and consists of four water turbines and a special mooring rope.
Compared with the prior art, the invention has the beneficial effects that: the spider-web arrangement structure is a net structure formed by a plurality of radial mooring ropes extending out of the center and the spiral mooring ropes surrounding the center, and can decompose kinetic energy when being acted by strong sea storms, effectively resist damage to the device caused by the strong sea storms, and improve the system stability and the power transmission efficiency; experiments show that the multi-unit combined spider net can resist attack of hurricanes and bear larger concentrated load, in addition, although local stress may cause one mooring rope in the net to break, other parts of the whole net system are still intact and can continue to play a role, and therefore the durability of the wind, wave and tide comprehensive complementary power generation system is ensured.
Drawings
FIG. 1 is a perspective top view schematic diagram of an overall scheme of the spider-web arrangement of the present invention;
FIG. 2 is a schematic top view of a cobweb-type element arrangement of the present invention;
FIG. 3 is an isometric schematic view of a spider web element arrangement of the present invention;
FIG. 4 is a schematic diagram of a front view of a single layer composite arrangement of the present invention;
FIG. 5 is a schematic top view of a single layer assembly arrangement of the present invention;
FIG. 6 is a schematic view of a dedicated mooring line of the present invention;
FIG. 7 is a schematic view of a conventional mooring line of the present invention;
FIG. 8 is a diagram of the results of the static force analysis of the spider-web model according to the present invention;
FIG. 9 is a schematic diagram of the connection between the swaying type power generation device and the mooring rope according to the present invention;
FIG. 10 is a schematic view of the connection between the wind power pile and the mooring rope according to the present invention;
fig. 11 is a schematic diagram of the connection of the sea piles and the mooring lines according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the specific matters described are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, belong to the protection scope of the present invention.
A wind, wave and tide comprehensive complementary power generation integrated arrangement scheme comprises a wind power generation system 1, a swinging power generation system 2, a tidal power generation system 3 and a micro-elastic mooring rope, and the cobweb type expansion is carried out to the periphery in the combination mode to form a cobweb type arrangement structure. The spider-web arrangement structure is arranged according to the conditions of power, size, spacing and the like of the wind driven generator in the target sea area, and the size of the wave energy power generation device (swing type power generation device) is far smaller than that and spacing of the wind driven generator, so that the swing type power generation system can extend outwards in multiple layers according to the spacing condition, and the swing type power generation system is compact in arrangement and high in stability. The number of layers of each spider-web unit can be adjusted according to actual conditions, the number of wave energy power generation devices arranged around each central wind driven generator can be adapted according to actual sea areas and fan conditions, and the stability can be improved according to the spider-web structure.
Specifically, the micro-elastic mooring rope comprises a special mooring rope 4 and a common mooring rope 5, as shown in fig. 6, the special mooring rope 4 is composed of an outer mooring steel cable 4-1 and a cable 4-2, and the mooring steel cable 4-1 is wound on the cable 4-2 in a winding manner to form the special mooring rope 4. The cable passes through the middle of the mooring steel cable to reach the hybrid energy storage device 1-2 at the lower part of the wind power generation system. As shown in fig. 7, the ordinary mooring rope 5 is composed of an outer mooring steel cable 5-1 and a steel cable core 5-2, and the mooring steel cable 5-1 is wound on the steel cable core 5-2 in a winding manner to form the ordinary mooring rope 5 for fixedly connecting the swinging type power generation system 2 with the sea pile.
Example 1
Take a unit hexagonal cobweb layout scheme as an example:
as shown in fig. 2-5, an expanded network unit is formed by a wind power generation system 1, a swaying type power generation system 2, a tidal power generation system 3 and a micro-elastic mooring rope, and extends around in a spider-web type expansion manner to form a spider-web type arrangement structure. The current generated by the wind driven generator 1-3 is directly transmitted into the hybrid energy storage device 1-2 through the interior of the wind driven generator pile 1-1. The pile 1-1 of the wind driven generator is fixed on the seabed in a seabed piling mode, and the hybrid energy storage system 1-2 is arranged on the pile 1-1 of the wind driven generator and can perform primary inversion integration. The tidal power generation system 3 is installed at the bottom of the pile 1-1 of the wind driven generator, and the tidal power generation system 3 comprises four water turbines 3-1 and special mooring ropes 4 which are connected to the hybrid energy storage device 1-2 through cables 4-2 in the special mooring ropes 4.
The swaying type power generation system 2 comprises three layers of swaying type power generation devices 2-1 which are uniformly arranged on the water surface part around the pile 1-1 of the wind driven generator, and the plurality of swaying type power generation devices 2-1 share one pile 1-1 of the wind driven generator through a micro-elastic mooring rope. Six swing type power generation devices 2-1 in the inner layer are respectively and straightly connected with the pile 1-1 of the wind driven generator through special mooring ropes 4, and every two adjacent swing type power generation devices 2-1 are straightly connected on the spider-web warp through the special mooring ropes 4; the adjacent swinging type power generation devices 2-1 on the cobweb weft are tied on a second sea pile 2-2 through common mooring ropes 5 and share a mooring point, so that a cobweb type arrangement structure is formed, and the swinging type power generation device 2-1 on the outermost layer of the cobweb type arrangement structure is outwards and directly connected with a first sea pile 6 through the common mooring ropes 5. Each swinging type power generation device 2-1 respectively transmits the generated current to the hybrid energy storage device 1-2 through the special mooring rope 4.
The swinging type power generation device 2-1 comprises an external shell, wherein a pendulum bob and a transmission mechanism connected with the pendulum bob are arranged in the shell, and the kinetic energy of the pendulum bob is converted into electric energy. The bottom of the swinging type power generation device 2-1 is connected with a mooring rope, which belongs to point constraint, and the mooring rope has certain elasticity, so that the swinging type power generation device can topple under the action of waves, and a pendulum bob rotates.
The distance between every two layers of the cobweb can be matched according to the size and the moving radius of the swinging type power generation device 2-1, and under the condition of heavy waves, the swinging type power generation device 2-1 moves back and forth and left and right due to the adoption of a mooring rope with micro elasticity, so that the wave force under severe conditions is buffered, and a certain distance, namely the moving radius, needs to be reserved between the swinging type power generation devices 2-1. The active radius is at least 2 times of the diameter of the shaking type power generation device 2-1, namely the ratio of the distance between every two layers of the spider web to the diameter of the wave power generation device is 4: about 1 is the optimal proportion, can guarantee not to interfere each other, and secondly material saving.
The hybrid power generation device 1-2 can carry out preliminary inversion integration on the three currents from the wind power generation system 1, the swinging power generation system 2 and the tidal power generation system 3, the integrated current is transmitted to an onshore transformer substation through a special mooring rope 4 through a submarine cable, the electric energy transmission efficiency of the system can be greatly improved by the scheme, and the electric energy is supplied to unmanned ships and unmanned planes in the coming and going directions to carry out surveying operation in offshore sea areas.
As a preferred embodiment of the invention, as shown in FIG. 9, the elastic mooring rope and the swinging type power generation device 2-1 are both connected with the first buckle 2-4 through the connecting ring 4-3, when the elastic mooring rope is a special mooring rope, the built-in cable 4-2 is led out from the side close to the head of the special mooring rope 4, and is led into the swinging type power generation device 2-1 through the protection of the multilayer waterproof and anticorrosive insulating sleeve 2-5.
As a preferred embodiment of the present invention, as shown in fig. 11, a common mooring rope 5 is connected with a first sea pile 6 and a second sea pile 2-2 by using a connecting ring 4-3 and a second ring buckle 2-3, and the second ring buckle 2-3 is pre-buried during the piling process. The connection mode can simplify the connection process and improve the stability of the system. The ordinary mooring rope 5 is in a stretched straight state to form a cobweb type arrangement structure.
As a preferred embodiment of the invention, as shown in FIG. 10, a special mooring rope 4 and a wind driven generator pile 1-1 are connected with a lantern ring 1-4 by a connecting ring 4-3, the wind driven generator pile 1-1 is directly sleeved with the lantern ring 1-4, the lantern ring 1-4 is provided with a corresponding annular hole 1-4-1, a built-in cable 4-2 is led out from the side near the head of the mooring rope 4 and is led into the wind driven generator pile 1-1 through the protection of a plurality of layers of waterproof and anticorrosive insulating sleeves 2-5. The connecting mode can protect the cable, the other six directions disperse stress, the load of the wind driven generator pile is reduced, and the lantern ring is directly sleeved on the pile without damaging the structure of the motor pile.
Example 2
Taking the case that a plurality of units are expanded to the periphery to form a multi-unit spider web arrangement integral structure:
as shown in fig. 1, the combination of embodiment 1 is used as a spider-web unit, and the spider-web power generation integrated structure is formed by extending the micro-elastic mooring rope all around, and the outermost swing type power generation device 2-1 of the whole spider-web arrangement structure is directly connected with the first sea pile 6 through the micro-elastic mooring rope. Each hybrid power generation device 1-2 can carry out primary inversion integration on currents from three sources, the integrated currents are directly led to the wind power generation system 1 in the spider-web center through a special mooring rope 4 to carry out uniform inversion integration on electric energy, and then the electric energy converged by each unit is transmitted to a shore-based substation through a submarine cable. And each unit can be expanded, and the electric energy is independently converged by each unit and is transmitted to an onshore substation. By utilizing the two schemes, the electric energy transmission efficiency of the system can be greatly improved, and electric energy is supplied to the unmanned ship and the unmanned aerial vehicle to carry out offshore sea area surveying operation.
The force characteristics of the spider-web structure are analyzed, and as shown in fig. 8: the main characteristic of the spider-web type mechanism is to absorb the intense kinetic energy and to distribute the concentrated load to the sea piles 2-2 of the various nodes in order to maintain the stability of the system structure and the safety of the various devices. Because the stress analysis of the net structure is difficult, in order to simplify the problem, radial mooring ropes and piles at nodes are selected to simplify a spider net model, and load is applied to the nodes to carry out static analysis. Assuming that the material of the mooring rope is carbon structural steel as an example, 500Mpa unit load is applied at the node, and through the result of finite element analysis, the deformation of the material is very small, and the maximum stress borne by the material is far greater than the tensile strength of the material. Therefore, the spider-web arrangement scheme can greatly disperse concentrated loads and improve the stability of the system.
It should be noted here that the nodes of the present invention may be fixed on the seabed by anchor chains instead of sea piles, but the nodes are arranged in the spider-web type scheme, and only the pile columns at the nodes are eliminated and replaced with anchor chain anchor points, which also belongs to the category of the scheme.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A wind, wave and tide comprehensive complementary power generation integrated arrangement scheme is characterized in that: the system comprises a wind power generation system (1), a swinging type power generation system (2), a tidal power generation system (3) and a micro-elastic mooring rope, and is expanded to the surrounding in a cobweb type manner to form a cobweb type arrangement structure.
2. The wind, wave and tide integrated complementary power generation integrated arrangement scheme of claim 1, wherein: the combination mode is used as a unit, and the periphery of the combination mode is expanded by the micro-elastic mooring rope to form a multi-unit cobweb type arrangement structure.
3. The wind, wave and tide integrated complementary power generation integrated arrangement scheme of claim 1 or 2, wherein: the wind power generation system (1) comprises wind power generator piles (1-1), the swing type power generation system (2) comprises a plurality of swing type power generation devices (2-1) which are uniformly arranged around a single wind power generator pile (1-1), and the swing type power generation devices (2-1) close to the wind power generator piles (1-1) are directly connected with the wind power generator piles (1-1) and adjacent swing type power generation devices (2-1) through micro-elastic mooring ropes to form a spider-net type arrangement structure.
4. The wind, wave and tide integrated complementary power generation integrated arrangement scheme of claim 3, wherein: the swing type power generation device (2-1) at the outermost layer of the whole cobweb type arrangement structure is outwards and directly connected with the first sea pile (6) through a micro-elastic mooring rope; the adjacent swinging type power generation devices (2-1) are provided with second sea piles (2-2) on the cobweb weft and are connected in a straight and stretched mode through micro-elastic mooring ropes.
5. The wind, wave and tide integrated complementary power generation integrated arrangement scheme of claim 3, wherein: the micro-elastic mooring rope comprises a special mooring rope (4), the special mooring rope (4) is composed of a mooring steel cable (4-1) and a cable (4-2), and the mooring steel cable (4-1) is wound on the cable (4-2) in a winding mode to form the special mooring rope (4).
6. The wind, wave and tide integrated complementary power generation integrated arrangement scheme of claim 5, wherein: the swaying type power generation devices (2-1) close to the wind driven generator piles (1-1) are connected with the wind driven generator piles (1-1) and the adjacent swaying type power generation devices (2-1) in a straight mode through special mooring ropes (4) on the spider web warp; the built-in cable (4-2) is led out from the side at the position close to the head of the special mooring rope (4) and is respectively led into the pile (1-1) of the wind driven generator and the swing type power generation device (2-1) under the protection of a plurality of layers of waterproof and anti-corrosion insulating sleeves (2-5).
7. The wind, wave and tide integrated complementary power generation integrated arrangement scheme of claim 3, wherein: the diameter ratio of the space between the adjacent shaking type power generation devices (2-1) to the shaking type power generation devices (2-1) is 4: 1.
8. The wind, wave and tide integrated complementary power generation integrated arrangement scheme of claim 1 or 2, wherein: the wind power generation system is characterized in that a hybrid energy storage device (1-2) is arranged on the lower portion of the wind power generation system (1), the swing type power generation system (2) and the tidal power generation system (3) are respectively electrically connected with the hybrid energy storage device (1-2), and preliminary electric energy inversion integration is carried out through the hybrid energy storage device (1-2).
9. The wind, wave and tide integrated complementary power generation integrated arrangement scheme of claim 4, wherein: the micro-elastic mooring rope and the swinging type power generation device (2-1) are connected with the first buckle (2-4) through a connecting ring (4-3); the micro-elastic mooring rope, the first sea pile (6) and the second sea pile (2-2) are respectively connected with the second ring buckle (2-3) through connecting rings (4-3), and the second ring buckle (2-3) is pre-buried in the piling process.
10. The wind, wave and tide integrated complementary power generation integrated arrangement scheme of claim 3, wherein: the micro-elastic mooring rope and the pile (1-1) of the wind driven generator are connected with the lantern ring (1-4) through the connecting ring (4-3), the pile (1-1) of the wind driven generator and the lantern ring (1-4) are directly sleeved together, and the lantern ring (1-4) is provided with the corresponding annular hole (1-4-1).
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| CN115140257A (en) * | 2022-06-24 | 2022-10-04 | 浙江大学 | Honeycomb-shaped wind and wave combined power generation platform |
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